Finding the Fourth Proportional to 1,368,917.44, 2,053,219.28 and 358,136.96
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Solution
The fourth proportional to 1,368,917.44, 2,053,219.28 and 358,136.96 is: 537,164.40
Step by Step Solution
- Step 1: Write the proportion equation
1,368,917.44 : 2,053,219.28 = 358,136.96 : x - Step 2: Convert to fraction form
1,368,917.44/2,053,219.28 = 358,136.96/x - Step 3: Cross multiply
1,368,917.44x = 2,053,219.28 × 358,136.96 - Step 4: Simplify right side
1,368,917.44x = 735,333,711,152.59 - Step 5: Solve for x
x = 735,333,711,152.59/1,368,917.44 - Step 6: Final answer
x = 537,164.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.